Geodesic
DIVISION SUDOKUS: INVARIANTS, ENUMERATION, AND MULTIPLE PARTITIONS
Glasgow mathematical journal, Tome 62 (2020) no. 3, pp. 600-630

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DOI

A division sudoku is a latin square whose all six conjugates are sudoku squares. We enumerate division sudokus up to a suitable equivalence, introduce powerful invariants of division sudokus, and also study latin squares that are division sudokus with respect to multiple partitions at the same time. We use nearfields and affine geometry to construct division sudokus of prime power rank that are rich in sudoku partitions.
DOI : 10.1017/S0017089519000375
Mots-clés : 05B15, 20N05 
DRÁPAL, ALEŠ; VOJTĚCHOVSKÝ, PETR. DIVISION SUDOKUS: INVARIANTS, ENUMERATION, AND MULTIPLE PARTITIONS. Glasgow mathematical journal, Tome 62 (2020) no. 3, pp. 600-630. doi: 10.1017/S0017089519000375
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     author = {DR\'APAL, ALE\v{S} and VOJT\v{E}CHOVSK\'Y, PETR},
     title = {DIVISION {SUDOKUS:} {INVARIANTS,} {ENUMERATION,} {AND} {MULTIPLE} {PARTITIONS}},
     journal = {Glasgow mathematical journal},
     pages = {600--630},
     year = {2020},
     volume = {62},
     number = {3},
     doi = {10.1017/S0017089519000375},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089519000375/}
}
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